The Balwant Rai Mehta
Committee was a committee appointed by the
Government of India in January 1957 to examine
the working of the Community Development
Programme (1952) and the National Extension
Service (1953) and to suggest measures for their
better working. This committee recommended
the establishment of a 3-tier Panchayati Raj
system-Gram Panchayat at the village level,
Panchayat Samiti at the block level, and Zila
Parishad at the district level.
ভাষা ও ভাষার উৎপত্তি
Plasma Physics (প্লাজমা পদার্থবিদ্যা)
Laser (লেজার)
Quantum materials (কোয়ান্টাম উপকরণ)
Particle physics (কণা পদার্থবিজ্ঞান)
Optics (অপটিক্স এবং ফোটোনিক্স)